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Associate Prof. Li Zhenhong from British University of Glasgow et al. visited State Key Laboratory of Earthquake Dynamics

2014/5/22 17:43:52

At the invitation of Researcher Shan Xinjian, Associate Prof. Li Zhenhong from British University of Glasgow and Dr. Tong Xiaopeng from University of California paid an exchange visit to the Institute of Geology, CEA from October 21 to 26, 2013. Prof. Li Zhenhong communicated and discussed with the scientific and technical personnel and postgraduates of the state key laboratory on foreign and domestic research and application of InSAR and GPS technologies in the field of seismology. Dr. Li Zhenhong made a report titled “Radar Interferometry: Current status and its application to seismology”, presented development trends of InSAR and GPS technologies and technical key of deformation monitoring and introduced in details the scientific achievements made by the research group led by him in the recent years. The content relates to joint inversion of multisource observation data of the coseismic deformation field, observation of the inter-seismic deformation field, research of massif uplift rates, monitoring of surface subsidence, etc. During the visit, he made sufficient discussion with scientific and technical personnel on deformation observation techniques, error correction, and exchange visits of young scientific and technical experts.

Dr. Tong Xiaopeng from University of California paid an exchange visit to the Institute of Geology. He made a report titled “Earthquake cycle model of the San Andreas Fault System from GPS and InSAR”. InSAR and GPS technologies were applied to research the difference between two movements of San Andreas Fault and the earthquake cycle was researched by modeling. The research result indicates that the InSAR inter-seismic deformation monitoring result is consistent with the GPS observation. He discussed the technical advantage of the combination of the two means. Young scientific and technical personnel carried out discussion with Dr. Tong on GMTSAR software developed by David T. Sandwell team.